This project demonstrates how to use the I2C peripheral of the STM32F407G-DISC1 board to communicate with a 16x2 character LCD display via an I2C backpack module (like PCF8574).

Plugin the LCD-PAR-S035 module on J8 Connector. LCD-PAR-S035 has two extra rows that will not match with the J8 of the FRDM-MCXN947 board so make sure it is connected properly as the reference picture ...